Zoned tension control for printing press



May 24, W66 E. A. mmm/Femm 32%@ ZONED TENSION CONTROL FOR PBNTING PRESS Filed July 9, 1962 5.5 Shee'tsmSheet 1 INVENTOR EARL A. CRAWFORD ATTORNEY May 224s i966 E. A. @RAW/PQR@ ZONED TENSION CONTROL FOR PRINTNG PRESS 53 Sheets-Sheet 2 Filed July 9. 1962 ATTORNEY May 24, 1966 E. A. czRAwr-Qm @22AM ZONED TENSION CONTROL FOR PRINTING PRESS Filed July 9, 1962 55 SheeLS-Sheeb 5 FIG. 3

INVENTOR. EARL A CRAWFGRD M/Wsw? ATTORNEY May 249 1966 E. A. CRAM/Pom 39252,/415

ZONED TENSION CONTROL FOR PRINTING PRESS Filed July 9, 1962 55 Sheets-Sheet 4 FIG. 4

May 24, 1966 A. @wwf-0R10 ZONED TENSION CONTROL FOR PRINTING PRESS Filed July 9, 1962 INVENTOR EARL. A.

CRAWFORD ATTORNEY May 24, 1966 A. cHAWmF-m 312529415 ZONED TENSION CONTROL FGF, FRENTING RESS Filed July 9, 1962 53 Sheets5heol 6 May 24, i966 ia. A. MAW/Fonti; 3.,.252IM5 ZONED TENSION GONTRO; WDR PRNTWG RESS Filed July 9, 1962 53 Sheeiswhet 7 INVENTQR. F l@ EARL A. CRAWFORD AT ORNEY May X4@ 31966 ZONED TENSION CONTRO?.- FGR 'PRNTING FRESS 555 Sheets-Sheet S Filed July 9, 1962 FIG.

INVENTOR. EARL A. CRAWFORD ATTORNEY May 24, 1966 E. A. CRAM/Foam 3,252,415

ZONED TENSION CONTROL FOR PRINTING PRESS Filed July 9, 1962 55 Sheets-Sheet 9 INVENTOR. EARL A. CRAWFORD ATTONEY FIG.

May 24, 1966 E. A, @mm/Fam ZONED TENSON CONTROL FOR PRINTNG PRESS 53 SheeJs--Sheot 10 Filed July 9, 1962 INVENTORA EARL A. CRAWFORD ,//f'i I FIGB ATTORNEY A. CRAVVFQHS? ZONED TENSTON May 245 196 CGHTRL VOR PRNTING PRESS 55 Sheets-5heet 'l1 Filed July 9, 1962 INVENTOR. EARL A. CRAWFORD BY yf 4 ATTORNEY FIG. I4

May 24, 1966 Ah @RMR/FR@ 3925294@ ZONED TENSION CONTRW 'FOR FRINTING PRESS ATTORNEY May 24, 1966 E. A. CRAWFQRD ZONED TENSION CONTROL FOR BIHTING PRESS 55 Shee'tsMSheat 14 Filed July 9, 1962 FIG. I8

PUG.

INVENTOR. EARL A. CRAWFORD ATTORNEY May 24, 1966 E. A. QRAWFQRD 3,252,415

ZONED TENSION CONTROL FOR PRINTING PRESS Filed July 9, 1962 53 Sheetsqsheet 15 FIG. 2O

,56 WEI? I A Y/ FIG. I9

1NVENTOR. EARL A. CRAWFORD ATTORNEY E. l. CSRAVVFQRD May 24, E966 ZONED TENSION CONTROL FOR PRINTING PRESS 55 Sheets-Sheet 16 Filed July 9, 1962 ,D OAR TO NF E WM 1R C A. L R A E ATTORNEY May 24, 966 E. A. CRAWFGRD ZONED TENSION CONTROL FOR PRINTING PRESS 35 Sheets-Sheet 1 7 Filed July 9, 1962 INVENTOR.

Dl/ @(11 F/ AWH/ Y R 'E C www A. T L .m R A E B 2 2 G IV May 24, 1966 E. A. CRAWFORD 33529415 ZONEO TENSION CONTROL FOR PRINTING PRESS Filed July 9, 1962 53 SheetsuShect 18 INVENTOR. FIG. 24 EARL A. CRAWFORD ATTORNEY 1962 :55 heetsheoi; 19

ff I r f` l Filed July 9.

FIG. 25

May 24, 1966 E. A. CRAWFQRD 39252,-4fl5 ZONED TENSION CONTROL FOR PRINTING PRESS Filed July 9, 1962 53 Sheets-Sheet 2O F l G. 27 INVENTOR. EARL A. CRAWFORD 

1. A ROTARY CYLINDER TYPE WEB PRINTING PRESS COMPRISING MEANS FOR SUPPORTING AND UNWINDING A WEB OF MATERIAL, MEANS FOR REWINDING SAID WEB OF MATERIAL, A PLURALITY OF SPACED, SELF-CONTAINED PRINTING UNITS ALIGNED BETWEEN SAID UNWINDING AND SAID REWINDING MEANS, SAID WEB PASSING THROUGH SAID UNITS, MEANS INDEPENDENT OF SAID PRINTING UNITS AND POSITIONED BETWEEN SAID PRESS AND SAID UNWINDING MEAN FOR PULLING SAID WEB FROM SAID UNWINDING MEANS, AND MEANS INDEPENDENT OF SAID PRINTING UNITS AND POSITIONED BETWEEN SAID PRESS AND SAID REWINDING MEANS FOR PULLING SAID WEB FROM SAID UNWIND PULLING MEANS THROUGH SAID PRINTING UNITS, SAID UNWINDING, PULLING AND REWINDING CONSTITUTING SEPARATE TENSION ZONES, AND MEANS FOR MAINTAINING A PRESET TENSION ON SAID WEB IN EACH OF SAID ZONES REGARDLESS OF THE MOVEMENT OF SAID WEB OR THE PRINTING CONDITION OF SAID UNITS, EACH OF SAID PRINTING UNITS HAVING A PLATEN CYLINDER IN A FIXED POSITION MOUNTED ON A DRIVEN SHAFT, AND MEANS FOR DISCONNECTING SAID CYLINDER FROM SAID SHAFT TO PROVIDE A FREELY ROTATING EFFECT AND TO PERMIT SAID PULLING MEANS TO MAINTAIN ITS PRESET TENSION WHEN SAID WEB IS MOTIONLESS AND SAID PRESS IS "OFF" IMPRESSION, MEANS FOR MOVING A PRINTING CYLINDER TO OR AWAY FROM SAID PLATEN CYLINDER TO GO "ON" OR" OFF" IMPRESSION, SAID PRINTING UNITS HAVING A REREGISTER DEVICE FOR MOVING THE PRINTING CYLINDER "ON" PRINTING IMPRESSION ONLY IN THE SAME CIRCUMFERENTIAL POSITION FROM WHERE IT MOVED "OFF" PRINTING IMPRESSION WHEREBY THE FIXED POSITION OF SAID PLATEN CYLINDER PERMITS OPERATION OF SAID REREGISTER DEVICE AND SAID ZONED TENSION CONTROL. 